Series Has Been Subdivided Into Two Variables: (1)- Original Data, 1916-1934; (2)- Original Data, 1929-1955. Source:
This NBER data series q02137a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: q02137a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Southern Pine Lumber Production for United States [Q0237AUSQ388SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q0237AUSQ388SNBR/, July 7, 2015.